A convenient synthesis of secondary hydroxylamines
作者:Ian A O'Neil、Ed Cleator、David J Tapolczay
DOI:10.1016/s0040-4039(01)01745-2
日期:2001.11
The oxidation of a range of β-cyanoethyl tertiary amines with mCPBA gives the corresponding N-oxides, which can be isolated or undergo Cope-elimination to give secondary hydroxylamines in excellent yield.
The synthesis of highly functionalized morpholine N-oxides from ephedrine and pseudoephedrine utilizing a tandem Cope elimination/reverse Cope elimination protocol
作者:Neil Henry、Ian A. O’Neil
DOI:10.1016/j.tetlet.2007.01.047
日期:2007.3
Highly functionalized monocyclic morpholine N-oxides can be prepared in three steps starting from ephedrine and pseudoephedrine utlizing a tandem Cope elimination/reverse Cope elimination.